covanant (this is not including halo wars and space ships)
ghost
banchee
wraith
spectre
phantom
prowler
chopper
scarab
HUMAN (not including halo wars and space ships)
warthog (rocket, transport, chaingun, gauss)
scorpian
mongoos
elephant
pelican
hornet
longsword
totals out to 15
yes
You could have a look on "Moc pages" they have lots of halo vehicles. Or you could use your imagination.
halomaps.org
Sorry but no
press Y on it
No, there are no vehicles what so ever, your gonna have to live with mate, sorry.But you can choose vehicles in forge.
you cant, But some map packs have other colors for vehicles.
Hover tank
You cant build any Scorpion Tanks in the Halo series. No custom able vehicles. There are many MODS , in Halo 1 and 2 . Maybe then once you learn how to MOD and Hack then you can build your own Tank.
me
No, it does not but Halo 3 does
no i dont think so